- Real internet money/business lies in B2B not in B2C.
- Decision Support System (DSS):
- Full spectrum of systems that allow/help management to take decisions, such as, reporting, OLAP, data mining.
- Java provides support for web enabled DSS
- JDM is Java’s Data mining/BI API.
- BI Applications: Balanced Score-card, Activity Based Costing.
- Data warehouse elements
- Operational Environment: Maintains day to day activities. Raw Data
- Independent data mart: A small data warehouse specific to one topic/area/subject
- Extraction: Extraction of data from operational systems
- Extraction Store: Data storage after extraction
- Transformation and cleansing: Before putting data into the central/main warehouse data needs to be cleaned up
- Extraction log: Create a log in the transformation and cleansing process
- External source: Data originated outside the organization is also incorporated into the data warehouse.
- Data administrator: The person who ensures the quality of data
- Central Repository: Stores all data and meta-data
- Meta data: Data about data. Example: the extraction log.
- Dependent Data Mart: Relies on the data warehouse for the sources of its data
- Distributed Data Warehouse: Warehouse data is physically distributed across a company’s information infrastructure.
- Data mining types: classification, and estimation.
- Classification: categorize customers,
- Estimation: predict or estimate some numerical value
- Decision trees: modeling technique helps in deciding. Different alternatives are drawn as paths where nodes represent the selected alternative. edges/paths may carry some probability values as selection/influencing criteria.
- Neural networks: Try to mimic the work nature of human brain to take a decision.
- General modeling: Well-suited for categorizing.
- Balanced Scorecard application: views the health and well-being of the organization by more than its financial data. We need to define: Vision, Strategy, Strategic themes, Strategic Objectives, Key performance indicators.
- Activity based costing application:
- Three types of organizations:
- Engineer driven: They know how to make a product. Than sales it through sales force.
- Sales Driven: They know how to sale a particular product, then make the product and sell it.
- Customer driven: They Know what customers want, then make the products and sale them. Customer driven organizations are the most successful.
From: http://sitestree.com/?p=3567
Categories:Data Warehouse, Data Warehouse – 001, Data Warehouse, Data Warehouse Misc
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Post Data:2016-07-04 15:22:58
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